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Old 2010-12-23, 06:30   #1
davieddy
 
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"Lucan"
Dec 2006
England

145128 Posts
Default GIMPS has reached a sustainable rate of progress

In the 4 years I have been a member here, throughput (Tflop/s)
has doubled.

The "wavefront" advances from 50M to 53 M in a year: 6% increase.
To maintain this 6%, an increase of 1.06^3 in computation is required.
In 4 years computation needed doubles.

This means that the probability of a prime per year remains at 15%.
Expected time for a prime is 6 years.

In 30 years time, the wavefront will approach the 100M digit mark.

End of Christmas Lecture.
Cheers all

Nostradamus

Last fiddled with by davieddy on 2010-12-23 at 06:39
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